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VEILVM vs Harness Kit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

VEILVM compared with Harness Kit
Detail VEILVMHarness Kit logo Harness Kit
What it doesOnline JSVMP obfuscation workspace for JavaScript code protection A harness-agnostic framework for AI coding tools
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Open source
PricingFree: 20 runs per month, 30 KB per file limit. Pro Monthly: $9.00/month with 1,000 runs per month and no per-file size cap. Pro Annual: $79.00/year with 1,000 runs per month and no per-file size cap. Not given
Key features
  • High-performance VM engine for execution efficiency
  • Dynamic VM engine for code transformation
  • Three-step obfuscation workflow
  • API access for Pro users
  • Copy and download obfuscated output
  • Support for .js, .mjs, and .cjs files
  • Concurrent jobs support
  • Configure plugins, skills, MCP servers, and hooks in a single harness.yaml file
  • Observatory: monitor every session, tool call, and minute of activity
  • Memory: persistent knowledge graph for AI orientation
  • Comparator: run prompts across Claude Code, Cursor, and Copilot side by side
  • Import existing configs from multiple AI coding tools automatically
  • Share complete setup via single file with teammates
  • Harness Parity: verify all connected AI tools end up with identical configuration
  • Cross-harness compatibility table showing actual tool capabilities
What makes it different
  • Choose between two distinct JSVMP engine modes optimized for different priorities
  • No sign-up trial with 3 free daily runs
  • Pro plan offers 1,000 runs per month with no per-file size cap
  • Import-first approach: reads existing configs from all your tools and converges them before you write YAML
  • No marketing gloss: capability table generated at build time from actual adapter code, not hand-maintained
  • Portable across tools: single harness.yaml travels with you to every machine and tool
  • Open source and free: no cost beyond existing Claude subscription
  • Based on open specification: Harness Protocol is vendor-neutral and JSON Schema validated
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check16 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)2120
Referring domains (Majestic)211

4 details filled in for both companies.

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